Study of heat flux gages using sensitivity analysis

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The response and operation of a heat flux gage is studied using sensitivity analysis. Sensitivity analysis is the process by which one determines the sensitivity of a model output to changes in the model parameters. This process uses sensitivity coefficients that are defined as partial derivatives of field variables--e.g., temperature--with respect to model parameters--e.g., thermal properties and boundary conditions. Computing sensitivity coefficients, in addition to the response of a heat flux gage, aids in identifying model parameters that significantly impact the temperature response. A control volume, finite element-based code is used to implement numerical sensitivity coefficient calculations, allowing general problems ... continued below

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8 p.

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Dowding, K.J.; Blackwell, B.F. & Cochran, R.J. August 1, 1998.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

The response and operation of a heat flux gage is studied using sensitivity analysis. Sensitivity analysis is the process by which one determines the sensitivity of a model output to changes in the model parameters. This process uses sensitivity coefficients that are defined as partial derivatives of field variables--e.g., temperature--with respect to model parameters--e.g., thermal properties and boundary conditions. Computing sensitivity coefficients, in addition to the response of a heat flux gage, aids in identifying model parameters that significantly impact the temperature response. A control volume, finite element-based code is used to implement numerical sensitivity coefficient calculations, allowing general problems to be studied. Sensitivity coefficients are discussed for the well known Gardon gage.

Physical Description

8 p.

Notes

OSTI as DE98007101

Source

  • 1998 international mechanical engineering congress and exposition, Anaheim, CA (United States), 15-20 Nov 1998

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  • Other: DE98007101
  • Report No.: SAND--98-1758C
  • Report No.: CONF-981107--
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 674755
  • Archival Resource Key: ark:/67531/metadc709079

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  • August 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 14, 2016, 7:04 p.m.

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Dowding, K.J.; Blackwell, B.F. & Cochran, R.J. Study of heat flux gages using sensitivity analysis, article, August 1, 1998; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc709079/: accessed July 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.